These entries are queried from radb.net using whois, you can try my project getting these.
:AS131342 route: 103.4.128.0/22 descr: Customer Route Techcombank origin: AS131342 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20110818 #11:56:17Z source: RADB last-modified: 2023-11-13T15:41:21Z rpki-ov-state: valid route: 103.4.128.0/22 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:02Z source: APNIC rpki-ov-state: valid route: 103.4.128.0/22 descr: Techcombank - VIET NAM origin: AS131342 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110826 source: NTTCOM rpki-ov-state: valid route: 103.4.128.0/23 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:04Z source: APNIC rpki-ov-state: valid route: 103.4.128.0/24 descr: Customer Route Techcombank origin: AS131342 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20110818 #11:55:16Z source: RADB last-modified: 2023-11-13T15:41:21Z rpki-ov-state: valid route: 103.4.128.0/24 descr: Techcombank - VIET NAM origin: AS131342 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110826 source: NTTCOM rpki-ov-state: valid route: 103.4.128.0/24 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:06Z source: APNIC rpki-ov-state: valid route: 103.4.129.0/24 descr: Customer Route Techcombank origin: AS131342 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20110818 #11:55:43Z source: RADB last-modified: 2023-11-13T15:41:21Z rpki-ov-state: valid route: 103.4.129.0/24 descr: Techcombank - VIET NAM origin: AS131342 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110826 source: NTTCOM rpki-ov-state: valid route: 103.4.129.0/24 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:08Z source: APNIC rpki-ov-state: valid route: 103.4.130.0/23 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:10Z source: APNIC rpki-ov-state: valid route: 103.4.130.0/24 descr: Customer Route Techcombank origin: AS131342 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20110818 #11:53:58Z source: RADB last-modified: 2023-11-13T15:41:21Z rpki-ov-state: valid route: 103.4.130.0/24 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:12Z source: APNIC rpki-ov-state: valid route: 103.4.130.0/24 descr: Techcombank - VIET NAM origin: AS131342 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110826 source: NTTCOM rpki-ov-state: valid route: 103.4.131.0/24 descr: TECHCOMBANK-VN origin: AS131342 mnt-by: MAINT-VN-VNNIC last-modified: 2022-08-05T08:36:15Z source: APNIC rpki-ov-state: valid route: 103.4.131.0/24 descr: Customer Route Techcombank origin: AS131342 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20110818 #11:54:39Z source: RADB last-modified: 2023-11-13T15:41:21Z rpki-ov-state: valid route: 103.4.131.0/24 descr: Techcombank - VIET NAM origin: AS131342 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110826 source: NTTCOM rpki-ov-state: valid